html, body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  background: #000000;
  color: #F3F3F3;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}
* { box-sizing: border-box; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; object-fit: contain; display: block; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.narrow { max-width: 920px; }
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 9999;
  background: #000000;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.38);
  border-bottom: 1px solid rgba(255,216,176,0.16);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
}
main { position: relative; z-index: 1; }
.brand-logo img, .mobile-logo img, .drawer-brand img, .footer-brand img { width: 132px; max-height: 48px; object-fit: contain; }
.primary-nav { display: flex; gap: 4px; align-items: center; }
.primary-nav a {
  color: #ffd8b0;
  padding: 10px 12px;
  border-radius: 999px;
  font-size: 14px;
  white-space: nowrap;
}
.primary-nav a.active, .primary-nav a:hover {
  background: #111111;
  box-shadow: inset 0 -2px 0 rgba(255,216,176,0.72), 0 8px 18px rgba(255,216,176,0.08);
}
.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ffd8b0;
  color: #000000;
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(255,216,176,0.22);
  padding: 12px 22px;
  font-weight: 700;
  border: 0;
  transition: .22s ease;
}
.main-btn:hover { background: #F2C995; transform: translateY(-1px); }
.mobile-header { display: none; }
.menu-toggle { width: 42px; height: 42px; border: 1px solid rgba(255,216,176,0.3); background: #111111; border-radius: 12px; display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; padding: 0 10px; }
.menu-toggle span { height: 2px; background: #ffd8b0; border-radius: 4px; }
.mobile-register { padding: 9px 12px; font-size: 13px; }
.drawer-mask { position: fixed; inset: 0; background: rgba(0,0,0,.62); opacity: 0; pointer-events: none; transition: .2s; }
.mobile-drawer { position: fixed; top: 0; left: 0; width: min(310px, 86vw); height: 100vh; background: #050505; border-right: 1px solid rgba(255,216,176,.2); transform: translateX(-102%); transition: .24s ease; padding: 18px; overflow-y: auto; }
.menu-open .drawer-mask { opacity: 1; pointer-events: auto; }
.menu-open .mobile-drawer { transform: translateX(0); }
.drawer-brand { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.drawer-close { color: #ffd8b0; background: #111111; border: 1px solid rgba(255,216,176,.25); border-radius: 10px; font-size: 28px; line-height: 1; width: 38px; height: 38px; }
.drawer-nav { display: grid; gap: 8px; }
.drawer-nav a { color: #ffd8b0; padding: 12px 14px; border: 1px solid rgba(255,216,176,.14); border-radius: 12px; background: #111111; }
.drawer-nav a.active { background: #1D1D1D; border-color: rgba(255,216,176,.45); }
.hero-section {
  background:
    radial-gradient(circle at 18% 20%, rgba(255,216,176,0.15) 0%, rgba(255,216,176,0) 30%),
    linear-gradient(135deg, #000000 0%, #111111 52%, #161616 100%);
  padding: 78px 0 48px;
}
.hero-grid, .inner-grid, .app-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 42px; align-items: center; }
.hero-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.hero-tags span, .eyebrow { color: #ffd8b0; border: 1px solid rgba(255,216,176,.28); background: rgba(255,216,176,.08); border-radius: 999px; padding: 7px 12px; display: inline-flex; font-size: 13px; }
h1, h2, h3 { color: #ffd8b0; line-height: 1.2; }
h1 { font-size: clamp(34px, 5vw, 62px); margin: 0 0 22px; }
h2 { font-size: clamp(26px, 3.5vw, 40px); margin: 14px 0 16px; }
h3 { margin: 12px 0 10px; }
p { color: #C9C9C9; line-height: 1.9; font-size: 16px; }
.hero-copy p { font-size: 17px; color: #F3F3F3; margin-bottom: 28px; }
.hero-visual, .inner-img, .img-box {
  background: linear-gradient(145deg, #050505, #161616);
  border: 1px solid rgba(255,216,176,0.24);
  border-radius: 28px;
  padding: 20px;
  box-shadow: 0 18px 55px rgba(0,0,0,.55), 0 0 38px rgba(255,216,176,.08);
}
.hero-visual img, .inner-img img { max-height: 360px; margin: 0 auto; }
.hero-mini { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 16px; }
.hero-mini div { background: #111111; border: 1px solid rgba(255,216,176,.16); border-radius: 16px; padding: 14px; }
.hero-mini strong { display: block; color: #ffd8b0; }
.hero-mini span { color: #9A9A9A; font-size: 13px; }
.quick-cats, .core-services, .zone-matrix, .faq-preview, .safe-help, .content-section, .detail-cards, .faq-full { padding: 58px 0; }
.pill-wrap { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.pill-wrap a, .info-card, .zone-card, details {
  background: #111111;
  border: 1px solid rgba(255,216,176,0.18);
  box-shadow: 0 14px 36px rgba(0,0,0,0.42);
  border-radius: 22px;
}
.pill-wrap a { padding: 18px; color: #F3F3F3; }
.pill-wrap b, .info-card span, .zone-card span { color: #ffd8b0; margin-right: 8px; }
.pill-wrap span { display: block; color: #9A9A9A; margin-top: 8px; font-size: 14px; }
.service-strip { padding: 34px 0; border-top: 1px solid rgba(255,216,176,.12); border-bottom: 1px solid rgba(255,216,176,.12); background: #111111; }
.service-strip p { margin: 0; color: #F3F3F3; text-align: center; }
.three-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.info-card { padding: 24px; }
.info-card ul { color: #C9C9C9; line-height: 1.9; padding-left: 18px; }
.zigzag { padding: 30px 0 60px; }
.zig-card { display: grid; grid-template-columns: .95fr 1.05fr; gap: 34px; align-items: center; margin: 28px 0; }
.reverse { grid-template-columns: 1.05fr .95fr; }
.gold-list { color: #C9C9C9; line-height: 1.9; padding-left: 20px; }
.gold-list li::marker { color: #ffd8b0; }
.text-link { color: #ffd8b0; display: inline-flex; margin-top: 12px; border-bottom: 1px solid rgba(255,216,176,.55); }
.section-head { max-width: 760px; margin-bottom: 26px; }
.zone-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.zone-card { padding: 16px; }
.zone-card img { width: 100%; max-height: 180px; margin: 0 auto 12px; }
.zone-card a { color: #ffd8b0; }
.app-feature { padding: 64px 0; background: linear-gradient(135deg,#050505,#161616); border-top: 1px solid rgba(255,216,176,.12); border-bottom: 1px solid rgba(255,216,176,.12); }
.feature-points { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0; }
.feature-points span, .six-grid div { background: #111111; color: #ffd8b0; border: 1px solid rgba(255,216,176,.2); border-radius: 999px; padding: 10px 15px; }
.six-grid { display: grid; grid-template-columns: repeat(6,1fr); gap: 12px; }
.six-grid div { border-radius: 18px; text-align: center; }
.faq-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
details { padding: 18px 20px; }
summary { color: #ffd8b0; cursor: pointer; font-weight: 700; }
.responsible-band { padding: 48px 0; background: #1D1D1D; border-top: 1px solid rgba(255,216,176,.16); }
.responsible-band p { max-width: 900px; }
.inner-hero { padding: 72px 0 52px; background: radial-gradient(circle at 80% 20%, rgba(255,216,176,.12), transparent 34%), #050505; }
.inner-hero.no-img { text-align: left; }
.content-section p { margin: 14px 0; }
.site-footer { background: #050505; color: #DADADA; padding-top: 46px; border-top: 1px solid rgba(255,216,176,.14); }
.footer-inner { width: min(1180px, calc(100% - 32px)); margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: #DADADA; }
.footer-links a:hover { color: #ffd8b0; }
.footer-note strong { color: #ffd8b0; }
.footer-bottom { text-align: center; color: #9A9A9A; border-top: 1px solid rgba(255,216,176,.1); margin-top: 34px; padding: 18px; }
@media (max-width: 980px) {
  .desktop-header { display: none; }
  .mobile-header { display: flex; }
  .hero-grid, .inner-grid, .app-grid, .zig-card, .reverse { grid-template-columns: 1fr; }
  .pill-wrap, .zone-grid { grid-template-columns: repeat(2,1fr); }
  .three-grid, .faq-grid { grid-template-columns: 1fr; }
  .six-grid { grid-template-columns: repeat(2,1fr); }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .container { width: min(100% - 24px, 1180px); }
  .header-inner { padding: 0 12px; min-height: 64px; }
  .mobile-logo img { width: 108px; }
  .hero-section { padding: 48px 0 34px; }
  .pill-wrap, .zone-grid, .hero-mini { grid-template-columns: 1fr; }
  .six-grid { grid-template-columns: 1fr; }
  .main-btn { padding: 10px 16px; }
}